In this Saturday, May 7, 2016 photo, a woman is dwarfed as she walks past giant portraits of the late North Korean leaders Kim Il Sung, left, and Kim Jong Il at the Kim Il Sung Square in Pyongyang, North Korea. North Korean leader Kim Jong Un hailed his country's recent nuclear test to uproarious a

The Associated Press

In this Saturday, May 7, 2016 photo, a woman is dwarfed as she walks past giant portraits of the late North Korean leaders Kim Il Sung, left, and Kim Jong Il at the Kim Il Sung Square in Pyongyang, North Korea. North Korean leader Kim Jong Un hailed his country's recent nuclear test to uproarious applause as he convened the first full congress of its ruling party since 1980, an event intended to showcase the North's stability and unity in the face of tough international sanctions and deepening isolation. (AP Photo/Wong Maye-E, File)

In this Saturday, May 7, 2016 photo, a woman is dwarfed as she walks past giant portraits of the late North Korean leaders Kim Il Sung, left, and Kim Jong Il at the Kim Il Sung Square in Pyongyang, North Korea. North Korean leader Kim Jong Un hailed his country's recent nuclear test to uproarious applause as he convened the first full congress of its ruling party since 1980, an event intended to showcase the North's stability and unity in the face of tough international sanctions and deepening isolation. (AP Photo/Wong Maye-E, File) (The Associated Press)

In this Saturday, May 7, 2016 photo, a woman is dwarfed as she walks past giant portraits of the late North Korean leaders Kim Il Sung, left, and Kim Jong Il at the Kim Il Sung Square in Pyongyang, North Korea. North Korean leader Kim Jong Un hailed his country's recent nuclear test to uproarious applause as he convened the first full congress of its ruling party since 1980, an event intended to showcase the North's stability and unity in the face of tough international sanctions and deepening isolation. (AP Photo/Wong Maye-E, File)